the turing Centenary Celebration featured the largest single gathering of turing award laureates in computer science history. the key belowidentifies the 30 laureates in this group photo. missing, but in attendance, were Joseph Sifakis and e. allen emerson (both 2007 recipients).

lie Bachman had a great story about,
when it was announced he had won
[for his work in database technology],
his wife had no clue as to who Turing
was. She went to the library and found
a biography of him written by his
mother, Sarah Turing. Charlie and his
wife managed to track her down in a
nursing home outside of London and
they visited her and talked about her
son and the award. That was just one
of so many amazing little anecdotes
that came out of that panel.

“The other remarkable event was
the talk, ‘Lambda Calculus, Then
And Now,’ by [1976 Turing recipient]